/*
 *  Copyright 2008-2010 NVIDIA Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

#pragma once

#include <thrust/tuple.h>

namespace thrust {

namespace detail {

template < typename Tuple,
         template<typename> class UnaryMetaFunction,
         unsigned int sz = thrust::tuple_size<Tuple>::value >
struct tuple_meta_transform;

template < typename Tuple,
         template<typename> class UnaryMetaFunction >
struct tuple_meta_transform<Tuple, UnaryMetaFunction, 0> {
    typedef null_type type;
};

template < typename Tuple,
         template<typename> class UnaryMetaFunction >
struct tuple_meta_transform<Tuple, UnaryMetaFunction, 1> {
    typedef thrust::tuple <
    typename UnaryMetaFunction<typename thrust::tuple_element<0, Tuple>::type>::type
    > type;
};

template < typename Tuple,
         template<typename> class UnaryMetaFunction >
struct tuple_meta_transform<Tuple, UnaryMetaFunction, 2> {
    typedef thrust::tuple <
    typename UnaryMetaFunction<typename thrust::tuple_element<0, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<1, Tuple>::type>::type
             > type;
};

template < typename Tuple,
         template<typename> class UnaryMetaFunction >
struct tuple_meta_transform<Tuple, UnaryMetaFunction, 3> {
    typedef thrust::tuple <
    typename UnaryMetaFunction<typename thrust::tuple_element<0, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<1, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<2, Tuple>::type>::type
             > type;
};

template < typename Tuple,
         template<typename> class UnaryMetaFunction >
struct tuple_meta_transform<Tuple, UnaryMetaFunction, 4> {
    typedef thrust::tuple <
    typename UnaryMetaFunction<typename thrust::tuple_element<0, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<1, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<2, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<3, Tuple>::type>::type
             > type;
};

template < typename Tuple,
         template<typename> class UnaryMetaFunction >
struct tuple_meta_transform<Tuple, UnaryMetaFunction, 5> {
    typedef thrust::tuple <
    typename UnaryMetaFunction<typename thrust::tuple_element<0, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<1, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<2, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<3, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<4, Tuple>::type>::type
             > type;
};

template < typename Tuple,
         template<typename> class UnaryMetaFunction >
struct tuple_meta_transform<Tuple, UnaryMetaFunction, 6> {
    typedef thrust::tuple <
    typename UnaryMetaFunction<typename thrust::tuple_element<0, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<1, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<2, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<3, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<4, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<5, Tuple>::type>::type
             > type;
};

template < typename Tuple,
         template<typename> class UnaryMetaFunction >
struct tuple_meta_transform<Tuple, UnaryMetaFunction, 7> {
    typedef thrust::tuple <
    typename UnaryMetaFunction<typename thrust::tuple_element<0, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<1, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<2, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<3, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<4, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<5, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<6, Tuple>::type>::type
             > type;
};

template < typename Tuple,
         template<typename> class UnaryMetaFunction >
struct tuple_meta_transform<Tuple, UnaryMetaFunction, 8> {
    typedef thrust::tuple <
    typename UnaryMetaFunction<typename thrust::tuple_element<0, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<1, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<2, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<3, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<4, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<5, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<6, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<7, Tuple>::type>::type
             > type;
};

template < typename Tuple,
         template<typename> class UnaryMetaFunction >
struct tuple_meta_transform<Tuple, UnaryMetaFunction, 9> {
    typedef thrust::tuple <
    typename UnaryMetaFunction<typename thrust::tuple_element<0, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<1, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<2, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<3, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<4, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<5, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<6, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<7, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<8, Tuple>::type>::type
             > type;
};

template < typename Tuple,
         template<typename> class UnaryMetaFunction >
struct tuple_meta_transform<Tuple, UnaryMetaFunction, 10> {
    typedef thrust::tuple <
    typename UnaryMetaFunction<typename thrust::tuple_element<0, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<1, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<2, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<3, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<4, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<5, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<6, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<7, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<8, Tuple>::type>::type,
             typename UnaryMetaFunction<typename thrust::tuple_element<9, Tuple>::type>::type
             > type;
};

} // end detail

} // end thrust

